Zyxel offers Open Source Software to you under the terms of GNU General Public License, GNU Lesser General Public License, or Open Source Initiative Licenses (OSI)
Note: the information provided here is for programmers only and is not needed for most of the users.
The Open Source Code allows you to run, copy, distribute, study, change and improve any software covered by GPL, Lesser GPL, or OSI Licenses without any restrictions from Zyxel or Zyxel End User License Agreement (EULA) on what you may do with that software. To obtain the corresponding open source codes covered under these Licenses, please click on the following link and fill-up the form, we will provide you with a download link: GLP-OSS Software Notice
Request for open source code covered under GPL, Lesser GPL, and OSI Licenses
The following licenses allow you to run, copy, distribute, study, change, and improve any code covered by these licenses without any restrictions from Zyxel or the Zyxel End User License Agreement (EULA):
Open Source Initiative (OSI) licenses (https://opensource.org)
GNU General Public License (GPL) (https://opensource.org/licenses/gpl-license)
GNU Lesser General Public License
To request open-source code covered under these licenses, please fill in the form below.
We strongly advise you to consult with your local ISP (Internet Service Provider) before running any firmware installation on the ISP-provided Zyxel device.
According to the GPL license and Zyxel policy, we will keep each firmware's Open Source Code for up to 3 years after the specific firmware version was released. This code is provided without any warranty or liability from Zyxel.